Analysis of nuclear morphology. Suspension of 2–3 × 106 cells was centrifuged, washed in PBS and fixed in a mixture of 75% methanol and 25% acetic <a href="http://www.tamra-azide-5-isomer.com/the-p-s-kinase-activity-was.html">35661-60-0</a> at ?20 °C for at least 1 h. Then, the cells were collect